
Erigeron canadensis
horseweed
As recorded: Conyza canadensis (L.) Cronquist
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Fosberg, F.R.
- Collector number
- 31169
- Date
- January 19, 1950
- Locality
- near airstrip
- Island
- Kwajalein Atoll
- Region
- Marshall Islands
- Identified by
- Fosberg, F.R.
- Record type
- Preserved specimen
Collected the same day
On January 19, 1950, Fosberg, F.R. also collected 24+ other specimens.
Erigeron canadensis observed alive
This specimen was collected in 1950. Since 2000, iNaturalist observers have recorded 67,675 research-grade sightings in the wild, most recently on 2026-10-28.

2026-10-28
Moscow Oblast, Russia, 141031
(c) Artem Abdukakharov, some rights reserved (CC BY)

2026-10-28
Калининский округ, Тюмень, Тюменская обл., Россия
(c) Konstantin Pavlov, some rights reserved (CC BY-NC)

2026-10-28
пл. авиаконструктора Ильюшина, Самара, Самарская обл., Россия, 443115
(c) Анна Митрошенкова, some rights reserved (CC BY)

2026-10-28
пл. авиаконструктора Ильюшина, Самара, Самарская обл., Россия, 443115
(c) Анна Митрошенкова, some rights reserved (CC BY)

2026-10-28
中国北京市丰台区
(c) xqxd, some rights reserved (CC BY-NC)

2026-10-27
Garden Valley Pkwy, Waxahachie, TX, US
(c) Sam Kieschnick, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Erigeron canadensis. BISH 131639. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956564521. Accessed via explore.bishopmuseum.org/specimens/bish/131639.
Record sources
- GBIF occurrence 5956564521 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
